Overview
- A volunteer searcher discovered exposed bone about five miles from Nancy Guthrie's Tucson-area home on May 7, and experts later excavated a full human skeleton at the site.
- University of Arizona anthropologist James T. Watson and medical-examiner staff dated the remains to several hundred to roughly 1,000 years and linked contextual artifacts to Native American burial practice.
- Authorities treated the find as an archaeological matter, transferred the materials to the Tohono O'odham Nation, and said the remains are not connected to Guthrie's disappearance.
- Investigators continue forensic work on contemporary leads, including unidentified DNA samples and home-security video analysis, and the Guthrie family has been cleared as suspects.
- The case remains active with a combined reward exceeding $1.2 million and public appeals ongoing, while experts warn that the Sonoran Desert often yields ancient burials that can complicate modern searches.